This article proposes a reading of the armed conflict from an evolutionary design that takes into account the concept of private protection agencies in the works of Schelling / Nozick / Gambetta. Their aim is to assess the dynamics of conflict and changes from its author’s scientific output. A context of conflicts that includes new expressions of violence and the relative failure of the paramilitary reintegration involves using new analytical models (argumentation, game theory and inconsistent information). The recent evolution of emerging bands and their expansion into areas that were paramilitary camps requires monitoring not only of the government and the authorities, but those investigating the conflict in the present tense. The author proposes a heuristic research support from the theory of strategy Schelling, agencies and the protection of Nozick, Gambetta recent contributions on the relationship between organized crime and drug cartels.